Hello, @ziogoogle,
Thank you for contacting us and for using XStore.
If you are using header builder via customizer then You need to set 2 columns for logo widget, you can try to improve logo size on desktop to 300px https://imgur.com/3ZtfhOD -We would recommend you to use image of better quality and increase logo width under XStore > Theme options > Header builder > Logo https://imgur.com/o9dM31F
We hope this helps. If you have any additional questions or concerns, please provide screenshots of the issue with a mark on it and provide your site wp-admin access in a private content area so we can take a closer look at your settings and help you.
Best Regards,
The 8Theme Team















